Computer Science
Scientific paper
May 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aipc..410.1592d&link_type=abstract
The fourth compton symposium. AIP Conference Proceedings, Volume 410, pp. 1592-1595 (1997).
Computer Science
X- And Gamma-Ray Telescopes And Instrumentation, Gamma-Ray, Gamma-Ray Sources, Gamma-Ray Bursts
Scientific paper
The technique of earth occultation has produced many exciting results from the BATSE data. We examine the possibility of using this technique on the Total Absorption Shower Calorimeter (TASC) of EGRET. The TASC has an effective area of a few 1000 cm2 and is 8 radiation lengths deep. Spectra from 1-200 MeV are collected every 33 sec and the rate at 4 energies is monitored every 2 sec. The detector is unshielded and uncollimated so the background is large. The statistical error on the background measurements require several days of exposure to detect the Crab at the lowest energies. Longer exposures would be needed due to systematic errors in determining the background. However, the wide field of view (the effective area is nearly 1000 cm2 even through the back of the spacecraft) could be used to monitor variability and confirm fluxes of sources such as the black hole candidates, Cyg X-1 and GRO J0422+33.
Bertsch David L.
Dingus Brenda Lynn
Schneid Edward J.
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